Received: 17 January 2020
Accepted: 25 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: The study was approved by the Research Ethics Committee (Faculty of Medicine, Ain Shams University, FWA 00006444), and all patients signed an informed written consent for participation in the study in accordance with the Declaration of Helsinki.
: Not applicable
: The authors declare that they have no competing interests.